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BUG: sleeping function called from invalid context in sta_info_move_state

Status: fixed on 2020/12/25 08:46
Reported-by: syzbot+c3cbd941924ce253fbc9@syzkaller.appspotmail.com
Fix commit: 89ab6b90b7d9 mac80211: free sta in sta_info_insert_finish() on errors
First crash: 1460d, last: 1458d
Fix bisection: fixed by (bisect log) :
commit 89ab6b90b7d92d0e561fed063baac6e6b287bc84
Author: Johannes Berg <johannes.berg@intel.com>
Date: Thu Nov 12 10:22:04 2020 +0000

  mac80211: free sta in sta_info_insert_finish() on errors

  
▶ ▼ Similar bugs (2)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.19 BUG: sleeping function called from invalid context in sta_info_move_state C done 760 1458d 1460d 1/1 fixed on 2020/12/25 08:46
upstream BUG: sleeping function called from invalid context in sta_info_move_state wireless C done 39248 1447d 1478d 19/28 fixed on 2021/03/10 01:48

Sample crash report:
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 2048)
IPVS: ftp: loaded support on port[0] = 21
BUG: sleeping function called from invalid context at net/mac80211/sta_info.c:1844
in_atomic(): 0, irqs_disabled(): 0, pid: 22, name: kworker/u4:1
4 locks held by kworker/u4:1/22:
IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
 #0:  ("%s"wiphy_name(local->hw.wiphy)){+.+.}, at: [<ffffffff81373610>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2087
NILFS (loop0): invalid segment: Magic number mismatch
NILFS (loop0): unable to fall back to spare super block
wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
NILFS (loop0): error -22 while searching super root
wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
 #1:  ((&sdata->work)){+.+.}, at: [<ffffffff81373646>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2091
IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
 #2:  (&wdev->mtx){+.+.}, at: [<ffffffff86d20792>] sdata_lock net/mac80211/ieee80211_i.h:986 [inline]
 #2:  (&wdev->mtx){+.+.}, at: [<ffffffff86d20792>] ieee80211_ibss_work+0x72/0xc90 net/mac80211/ibss.c:1675
NILFS (loop1): invalid segment: Magic number mismatch
wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
NILFS (loop1): unable to fall back to spare super block
 #3:  (rcu_read_lock){....}, at: [<ffffffff86ce4afd>] sta_info_insert_finish net/mac80211/sta_info.c:553 [inline]
 #3:  (rcu_read_lock){....}, at: [<ffffffff86ce4afd>] sta_info_insert_rcu+0x48d/0x1f40 net/mac80211/sta_info.c:634
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop1): error -22 while searching super root
IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
Preemption disabled at:
[<ffffffff81488060>] rcu_lockdep_current_cpu_online kernel/rcu/tree.c:1185 [inline]
[<ffffffff81488060>] rcu_lockdep_current_cpu_online+0x30/0x140 kernel/rcu/tree.c:1177
CPU: 0 PID: 22 Comm: kworker/u4:1 Not tainted 4.14.208-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy4 ieee80211_iface_work
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x283 lib/dump_stack.c:58
 ___might_sleep.cold+0x235/0x250 kernel/sched/core.c:6042
 sta_info_move_state+0x32/0x930 net/mac80211/sta_info.c:1844
 sta_info_free+0x50/0x330 net/mac80211/sta_info.c:260
 sta_info_insert_rcu+0x23c/0x1f40 net/mac80211/sta_info.c:640
 ieee80211_ibss_finish_sta+0x1db/0x2b0 net/mac80211/ibss.c:601
 ieee80211_ibss_work+0x260/0xc90 net/mac80211/ibss.c:1692
 ieee80211_iface_work+0x690/0x770 net/mac80211/iface.c:1383
 process_one_work+0x793/0x14a0 kernel/workqueue.c:2116
 worker_thread+0x5cc/0xff0 kernel/workqueue.c:2250
 kthread+0x30d/0x420 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop3): invalid segment: Magic number mismatch
NILFS (loop3): unable to fall back to spare super block
NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop3): error -22 while searching super root
NILFS (loop1): invalid segment: Magic number mismatch
NILFS (loop1): unable to fall back to spare super block
NILFS (loop1): error -22 while searching super root
NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop0): invalid segment: Magic number mismatch
NILFS (loop0): unable to fall back to spare super block
NILFS (loop0): error -22 while searching super root
NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 2048)
IPVS: ftp: loaded support on port[0] = 21
IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
NILFS (loop3): invalid segment: Magic number mismatch
NILFS (loop3): unable to fall back to spare super block
NILFS (loop3): error -22 while searching super root
IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 2048)
wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop1): invalid segment: Magic number mismatch
NILFS (loop1): unable to fall back to spare super block
NILFS (loop1): error -22 while searching super root
IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
NILFS (loop3): invalid segment: Magic number mismatch
IPVS: ftp: loaded support on port[0] = 21
NILFS (loop3): unable to fall back to spare super block
NILFS (loop0): invalid segment: Magic number mismatch
NILFS (loop3): error -22 while searching super root
NILFS (loop0): unable to fall back to spare super block
IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
NILFS (loop0): error -22 while searching super root
wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 2048)
IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop4): invalid segment: Magic number mismatch
NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop4): unable to fall back to spare super block
IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
NILFS (loop1): invalid segment: Magic number mismatch
NILFS (loop4): error -22 while searching super root
NILFS (loop1): unable to fall back to spare super block
NILFS (loop1): error -22 while searching super root
wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop3): invalid segment: Magic number mismatch
NILFS (loop0): invalid segment: Magic number mismatch
NILFS (loop5): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop3): unable to fall back to spare super block
NILFS (loop5): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop3): error -22 while searching super root
NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop0): unable to fall back to spare super block
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 2048)
IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop5): invalid segment: Magic number mismatch
NILFS (loop0): error -22 while searching super root
NILFS (loop5): unable to fall back to spare super block
NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop5): error -22 while searching super root
wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready
NILFS (loop4): invalid segment: Magic number mismatch
IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
NILFS (loop4): unable to fall back to spare super block
wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
NILFS (loop1): invalid segment: Magic number mismatch
NILFS (loop1): unable to fall back to spare super block
NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
NILFS (loop4): error -22 while searching super root
NILFS (loop5): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop1): error -22 while searching super root
NILFS (loop3): invalid segment: Magic number mismatch
NILFS (loop5): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop3): unable to fall back to spare super block
NILFS (loop3): error -22 while searching super root
NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop5): invalid segment: Magic number mismatch
NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop0): invalid segment: Magic number mismatch
NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop5): unable to fall back to spare super block
NILFS (loop0): unable to fall back to spare super block
NILFS (loop5): error -22 while searching super root
NILFS (loop0): error -22 while searching super root
NILFS (loop2): invalid segment: Magic number mismatch
NILFS (loop4): invalid segment: Magic number mismatch
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop2): unable to fall back to spare super block
NILFS (loop4): unable to fall back to spare super block
NILFS (loop2): error -22 while searching super root
NILFS (loop3): invalid segment: Magic number mismatch
NILFS (loop4): error -22 while searching super root
NILFS (loop3): unable to fall back to spare super block
NILFS (loop3): error -22 while searching super root
NILFS (loop1): invalid segment: Magic number mismatch
NILFS (loop1): unable to fall back to spare super block
NILFS (loop1): error -22 while searching super root
NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop5): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop5): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop5): invalid segment: Magic number mismatch
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop5): unable to fall back to spare super block
NILFS (loop5): error -22 while searching super root
NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop2): invalid segment: Magic number mismatch
NILFS (loop2): unable to fall back to spare super block
NILFS (loop5): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop0): invalid segment: Magic number mismatch
NILFS (loop2): error -22 while searching super root
NILFS (loop0): unable to fall back to spare super block
NILFS (loop5): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop1): invalid segment: Magic number mismatch
NILFS (loop4): invalid segment: Magic number mismatch
NILFS (loop0): error -22 while searching super root
NILFS (loop3): invalid segment: Magic number mismatch
NILFS (loop4): unable to fall back to spare super block
NILFS (loop1): unable to fall back to spare super block
NILFS (loop3): unable to fall back to spare super block
NILFS (loop4): error -22 while searching super root
NILFS (loop1): error -22 while searching super root
NILFS (loop3): error -22 while searching super root
NILFS (loop5): invalid segment: Magic number mismatch
NILFS (loop5): unable to fall back to spare super block
NILFS (loop5): error -22 while searching super root
NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop2): invalid segment: Magic number mismatch
NILFS (loop2): unable to fall back to spare super block
NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop2): error -22 while searching super root
NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop0): invalid segment: Magic number mismatch
NILFS (loop0): unable to fall back to spare super block
NILFS (loop5): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop0): error -22 while searching super root
NILFS (loop1): invalid segment: Magic number mismatch
NILFS (loop5): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop1): unable to fall back to spare super block
NILFS (loop1): error -22 while searching super root
NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop3): invalid segment: Magic number mismatch
NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop2): invalid segment: Magic number mismatch
NILFS (loop3): unable to fall back to spare super block
NILFS (loop4): invalid segment: Magic number mismatch
NILFS (loop2): unable to fall back to spare super block
NILFS (loop3): error -22 while searching super root
NILFS (loop4): unable to fall back to spare super block
NILFS (loop2): error -22 while searching super root
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop4): error -22 while searching super root
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop5): invalid segment: Magic number mismatch
NILFS (loop5): unable to fall back to spare super block
NILFS (loop5): error -22 while searching super root
NILFS (loop0): invalid segment: Magic number mismatch
NILFS (loop0): unable to fall back to spare super block
NILFS (loop0): error -22 while searching super root
NILFS (loop1): invalid segment: Magic number mismatch
NILFS (loop1): unable to fall back to spare super block
NILFS (loop1): error -22 while searching super root
NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop5): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop3): invalid segment: Magic number mismatch
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop5): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop3): unable to fall back to spare super block
NILFS (loop4): invalid segment: Magic number mismatch
NILFS (loop4): unable to fall back to spare super block
NILFS (loop4): error -22 while searching super root
NILFS (loop3): error -22 while searching super root
NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop0): invalid segment: Magic number mismatch
NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop5): invalid segment: Magic number mismatch
NILFS (loop0): unable to fall back to spare super block
NILFS (loop2): invalid segment: Magic number mismatch
NILFS (loop5): unable to fall back to spare super block
NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop0): error -22 while searching super root
NILFS (loop1): invalid segment: Magic number mismatch
NILFS (loop5): error -22 while searching super root
NILFS (loop2): unable to fall back to spare super block
NILFS (loop1): unable to fall back to spare super block
NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop2): error -22 while searching super root
NILFS (loop1): error -22 while searching super root
NILFS (loop4): invalid segment: Magic number mismatch
NILFS (loop4): unable to fall back to spare super block
NILFS (loop4): error -22 while searching super root
NILFS (loop3): invalid segment: Magic number mismatch
NILFS (loop3): unable to fall back to spare super block
NILFS (loop3): error -22 while searching super root
NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop5): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop5): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop3): invalid segment: Magic number mismatch
NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop3): unable to fall back to spare super block
NILFS (loop0): invalid segment: Magic number mismatch
NILFS (loop0): unable to fall back to spare super block
NILFS (loop3): error -22 while searching super root
NILFS (loop2): invalid segment: Magic number mismatch
NILFS (loop0): error -22 while searching super root
NILFS (loop2): unable to fall back to spare super block
NILFS (loop2): error -22 while searching super root
NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop1): invalid segment: Magic number mismatch
NILFS (loop3): invalid segment: Magic number mismatch
NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop5): invalid segment: Magic number mismatch
NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop4): invalid segment: Magic number mismatch
NILFS (loop3): unable to fall back to spare super block
NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop1): unable to fall back to spare super block
NILFS (loop3): error -22 while searching super root
NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop5): unable to fall back to spare super block
NILFS (loop4): unable to fall back to spare super block
NILFS (loop1): error -22 while searching super root
NILFS (loop5): error -22 while searching super root
NILFS (loop4): error -22 while searching super root
NILFS (loop0): invalid segment: Magic number mismatch
NILFS (loop2): invalid segment: Magic number mismatch
NILFS (loop2): unable to fall back to spare super block
NILFS (loop0): unable to fall back to spare super block
NILFS (loop0): error -22 while searching super root
NILFS (loop2): error -22 while searching super root
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop5): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop5): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop1): invalid segment: Magic number mismatch
NILFS (loop4): invalid segment: Magic number mismatch
NILFS (loop4): unable to fall back to spare super block
NILFS (loop1): unable to fall back to spare super block
NILFS (loop4): error -22 while searching super root
NILFS (loop3): invalid segment: Magic number mismatch
NILFS (loop5): invalid segment: Magic number mismatch
NILFS (loop1): error -22 while searching super root
NILFS (loop3): unable to fall back to spare super block
NILFS (loop5): unable to fall back to spare super block
NILFS (loop0): invalid segment: Magic number mismatch
NILFS (loop2): invalid segment: Magic number mismatch
NILFS (loop3): error -22 while searching super root
NILFS (loop5): error -22 while searching super root
NILFS (loop0): unable to fall back to spare super block
NILFS (loop2): unable to fall back to spare super block
NILFS (loop0): error -22 while searching super root
NILFS (loop2): error -22 while searching super root
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop5): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop5): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop3): invalid segment: Magic number mismatch
NILFS (loop4): invalid segment: Magic number mismatch
NILFS (loop2): invalid segment: Magic number mismatch
NILFS (loop1): invalid segment: Magic number mismatch
NILFS (loop0): invalid segment: Magic number mismatch
NILFS (loop0): unable to fall back to spare super block
NILFS (loop2): unable to fall back to spare super block
NILFS (loop0): error -22 while searching super root
NILFS (loop5): invalid segment: Magic number mismatch
NILFS (loop3): unable to fall back to spare super block
NILFS (loop4): unable to fall back to spare super block
NILFS (loop3): error -22 while searching super root
NILFS (loop1): unable to fall back to spare super block
NILFS (loop1): error -22 while searching super root
NILFS (loop4): error -22 while searching super root
NILFS (loop2): error -22 while searching super root
NILFS (loop5): unable to fall back to spare super block
NILFS (loop5): error -22 while searching super root
NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop5): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop5): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop2): invalid segment: Magic number mismatch
NILFS (loop0): invalid segment: Magic number mismatch
NILFS (loop1): invalid segment: Magic number mismatch
NILFS (loop3): invalid segment: Magic number mismatch
NILFS (loop0): unable to fall back to spare super block
NILFS (loop3): unable to fall back to spare super block
NILFS (loop2): unable to fall back to spare super block
NILFS (loop0): error -22 while searching super root
NILFS (loop3): error -22 while searching super root
NILFS (loop1): unable to fall back to spare super block
NILFS (loop2): error -22 while searching super root
NILFS (loop4): invalid segment: Magic number mismatch
NILFS (loop4): unable to fall back to spare super block
NILFS (loop1): error -22 while searching super root
NILFS (loop4): error -22 while searching super root
NILFS (loop5): invalid segment: Magic number mismatch
NILFS (loop5): unable to fall back to spare super block
NILFS (loop5): error -22 while searching super root
NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop5): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop5): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop3): invalid segment: Magic number mismatch
NILFS (loop5): invalid segment: Magic number mismatch
NILFS (loop3): unable to fall back to spare super block
NILFS (loop5): unable to fall back to spare super block
NILFS (loop3): error -22 while searching super root
NILFS (loop5): error -22 while searching super root
NILFS (loop4): invalid segment: Magic number mismatch
NILFS (loop4): unable to fall back to spare super block
NILFS (loop4): error -22 while searching super root
NILFS (loop0): invalid segment: Magic number mismatch
NILFS (loop5): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop1): invalid segment: Magic number mismatch
NILFS (loop5): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop1): unable to fall back to spare super block
NILFS (loop0): unable to fall back to spare super block
NILFS (loop1): error -22 while searching super root
NILFS (loop2): invalid segment: Magic number mismatch
NILFS (loop0): error -22 while searching super root
NILFS (loop2): unable to fall back to spare super block
NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop2): error -22 while searching super root
NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop5): invalid segment: Magic number mismatch
NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop5): unable to fall back to spare super block
NILFS (loop5): error -22 while searching super root
NILFS (loop3): invalid segment: Magic number mismatch
NILFS (loop4): invalid segment: Magic number mismatch
NILFS (loop3): unable to fall back to spare super block
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop4): unable to fall back to spare super block
NILFS (loop3): error -22 while searching super root
NILFS (loop4): error -22 while searching super root
NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop5): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop5): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop0): invalid segment: Magic number mismatch
NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop0): unable to fall back to spare super block
NILFS (loop1): invalid segment: Magic number mismatch
NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop1): unable to fall back to spare super block
NILFS (loop0): error -22 while searching super root
NILFS (loop1): error -22 while searching super root
NILFS (loop2): invalid segment: Magic number mismatch
NILFS (loop5): invalid segment: Magic number mismatch
NILFS (loop2): unable to fall back to spare super block
NILFS (loop5): unable to fall back to spare super block
NILFS (loop2): error -22 while searching super root
NILFS (loop5): error -22 while searching super root
NILFS (loop3): invalid segment: Magic number mismatch
NILFS (loop3): unable to fall back to spare super block
NILFS (loop4): invalid segment: Magic number mismatch
NILFS (loop3): error -22 while searching super root
NILFS (loop4): unable to fall back to spare super block
NILFS (loop4): error -22 while searching super root
NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop0): invalid segment: Magic number mismatch
NILFS (loop0): unable to fall back to spare super block
NILFS (loop0): error -22 while searching super root
NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop2): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop3): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop1): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop4): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop5): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 1024)
NILFS (loop2): invalid segment: Magic number mismatch
NILFS (loop2): unable to fall back to spare super block
NILFS (loop2): error -22 while searching super root
NILFS (loop0): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop5): broken superblock, retrying with spare superblock (blocksize = 2048)
NILFS (loop4): invalid segment: Magic number mismatch
NILFS (loop4): unable to fall back to spare super block
NILFS (loop4): error -22 while searching super root
NILFS (loop3): invalid segment: Magic number mismatch
NILFS (loop3): unable to fall back to spare super block

Crashes (1101):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2020/11/24 12:58 linux-4.14.y 0df445b0f0da 1ab681a4 .config console log report syz C ci2-linux-4-14
2020/11/24 08:57 linux-4.14.y 0df445b0f0da 1ab681a4 .config console log report syz C ci2-linux-4-14
2020/11/24 07:51 linux-4.14.y 0df445b0f0da 1ab681a4 .config console log report syz C ci2-linux-4-14
2020/11/24 07:06 linux-4.14.y 0df445b0f0da 1ab681a4 .config console log report syz C ci2-linux-4-14
2020/11/23 21:09 linux-4.14.y 0df445b0f0da 878fb17a .config console log report syz C ci2-linux-4-14
2020/11/23 17:40 linux-4.14.y 0df445b0f0da 878fb17a .config console log report syz C ci2-linux-4-14
2020/11/23 12:36 linux-4.14.y 0df445b0f0da 0d27f508 .config console log report syz C ci2-linux-4-14
2020/11/23 08:53 linux-4.14.y 0df445b0f0da 0d27f508 .config console log report syz C ci2-linux-4-14
2020/11/23 04:16 linux-4.14.y 0df445b0f0da 0d27f508 .config console log report syz C ci2-linux-4-14
2020/11/23 02:37 linux-4.14.y 0df445b0f0da 0d27f508 .config console log report syz C ci2-linux-4-14
2020/11/22 22:02 linux-4.14.y 0df445b0f0da 0d27f508 .config console log report syz C ci2-linux-4-14
2020/11/22 21:15 linux-4.14.y 0df445b0f0da 0d27f508 .config console log report syz C ci2-linux-4-14
2020/11/22 16:39 linux-4.14.y 0df445b0f0da 0d27f508 .config console log report syz C ci2-linux-4-14
2020/11/22 14:07 linux-4.14.y 0df445b0f0da 0d27f508 .config console log report syz C ci2-linux-4-14
2020/11/24 11:20 linux-4.14.y 0df445b0f0da 1ab681a4 .config console log report syz ci2-linux-4-14
2020/11/24 10:41 linux-4.14.y 0df445b0f0da 1ab681a4 .config console log report syz ci2-linux-4-14
2020/11/24 10:16 linux-4.14.y 0df445b0f0da 1ab681a4 .config console log report syz ci2-linux-4-14
2020/11/24 06:50 linux-4.14.y 0df445b0f0da 1ab681a4 .config console log report syz ci2-linux-4-14
2020/11/24 06:28 linux-4.14.y 0df445b0f0da 1ab681a4 .config console log report syz ci2-linux-4-14
2020/11/24 01:36 linux-4.14.y 0df445b0f0da 878fb17a .config console log report syz ci2-linux-4-14
2020/11/23 22:35 linux-4.14.y 0df445b0f0da 878fb17a .config console log report syz ci2-linux-4-14
2020/11/23 22:24 linux-4.14.y 0df445b0f0da 878fb17a .config console log report syz ci2-linux-4-14
2020/11/23 21:24 linux-4.14.y 0df445b0f0da 878fb17a .config console log report syz ci2-linux-4-14
2020/11/23 18:24 linux-4.14.y 0df445b0f0da 878fb17a .config console log report syz ci2-linux-4-14
2020/11/23 18:02 linux-4.14.y 0df445b0f0da 878fb17a .config console log report syz ci2-linux-4-14
2020/11/23 12:48 linux-4.14.y 0df445b0f0da 0d27f508 .config console log report syz ci2-linux-4-14
2020/11/23 11:43 linux-4.14.y 0df445b0f0da 0d27f508 .config console log report syz ci2-linux-4-14
2020/11/23 11:30 linux-4.14.y 0df445b0f0da 0d27f508 .config console log report syz ci2-linux-4-14
2020/11/23 10:26 linux-4.14.y 0df445b0f0da 0d27f508 .config console log report syz ci2-linux-4-14
2020/11/23 10:21 linux-4.14.y 0df445b0f0da 0d27f508 .config console log report syz ci2-linux-4-14
2020/11/23 09:41 linux-4.14.y 0df445b0f0da 0d27f508 .config console log report syz ci2-linux-4-14
2020/11/23 07:49 linux-4.14.y 0df445b0f0da 0d27f508 .config console log report syz ci2-linux-4-14
2020/11/23 07:31 linux-4.14.y 0df445b0f0da 0d27f508 .config console log report syz ci2-linux-4-14
2020/11/23 06:21 linux-4.14.y 0df445b0f0da 0d27f508 .config console log report syz ci2-linux-4-14
2020/11/23 04:27 linux-4.14.y 0df445b0f0da 0d27f508 .config console log report syz ci2-linux-4-14
2020/11/23 03:51 linux-4.14.y 0df445b0f0da 0d27f508 .config console log report syz ci2-linux-4-14
2020/11/23 03:11 linux-4.14.y 0df445b0f0da 0d27f508 .config console log report syz ci2-linux-4-14
2020/11/23 02:15 linux-4.14.y 0df445b0f0da 0d27f508 .config console log report syz ci2-linux-4-14
2020/11/22 23:08 linux-4.14.y 0df445b0f0da 0d27f508 .config console log report syz ci2-linux-4-14
2020/11/22 22:49 linux-4.14.y 0df445b0f0da 0d27f508 .config console log report syz ci2-linux-4-14
2020/11/22 17:20 linux-4.14.y 0df445b0f0da 0d27f508 .config console log report syz ci2-linux-4-14
2020/11/22 17:03 linux-4.14.y 0df445b0f0da 0d27f508 .config console log report syz ci2-linux-4-14
2020/11/22 12:14 linux-4.14.y 0df445b0f0da 0d27f508 .config console log report syz ci2-linux-4-14
2020/11/24 12:29 linux-4.14.y 0df445b0f0da 1ab681a4 .config console log report info ci2-linux-4-14
2020/11/24 10:19 linux-4.14.y 0df445b0f0da 1ab681a4 .config console log report info ci2-linux-4-14
2020/11/24 09:58 linux-4.14.y 0df445b0f0da 1ab681a4 .config console log report info ci2-linux-4-14
2020/11/24 08:04 linux-4.14.y 0df445b0f0da 1ab681a4 .config console log report info ci2-linux-4-14
2020/11/24 05:53 linux-4.14.y 0df445b0f0da 1ab681a4 .config console log report info ci2-linux-4-14
2020/11/24 05:32 linux-4.14.y 0df445b0f0da 1ab681a4 .config console log report info ci2-linux-4-14
2020/11/24 05:08 linux-4.14.y 0df445b0f0da 1ab681a4 .config console log report info ci2-linux-4-14
2020/11/24 04:43 linux-4.14.y 0df445b0f0da 1ab681a4 .config console log report info ci2-linux-4-14
2020/11/24 04:19 linux-4.14.y 0df445b0f0da 1ab681a4 .config console log report info ci2-linux-4-14
2020/11/24 03:59 linux-4.14.y 0df445b0f0da 1ab681a4 .config console log report info ci2-linux-4-14
2020/11/24 03:36 linux-4.14.y 0df445b0f0da 1ab681a4 .config console log report info ci2-linux-4-14
2020/11/24 02:45 linux-4.14.y 0df445b0f0da 878fb17a .config console log report info ci2-linux-4-14
2020/11/24 02:37 linux-4.14.y 0df445b0f0da 878fb17a .config console log report info ci2-linux-4-14
2020/11/24 01:05 linux-4.14.y 0df445b0f0da 878fb17a .config console log report info ci2-linux-4-14
2020/11/24 00:05 linux-4.14.y 0df445b0f0da 878fb17a .config console log report info ci2-linux-4-14
2020/11/23 23:41 linux-4.14.y 0df445b0f0da 878fb17a .config console log report info ci2-linux-4-14
2020/11/23 22:38 linux-4.14.y 0df445b0f0da 878fb17a .config console log report info ci2-linux-4-14
2020/11/23 21:01 linux-4.14.y 0df445b0f0da 878fb17a .config console log report info ci2-linux-4-14
2020/11/23 20:46 linux-4.14.y 0df445b0f0da 878fb17a .config console log report info ci2-linux-4-14
2020/11/23 19:44 linux-4.14.y 0df445b0f0da 878fb17a .config console log report info ci2-linux-4-14
2020/11/23 18:43 linux-4.14.y 0df445b0f0da 878fb17a .config console log report info ci2-linux-4-14
2020/11/23 17:43 linux-4.14.y 0df445b0f0da 878fb17a .config console log report info ci2-linux-4-14
2020/11/23 16:42 linux-4.14.y 0df445b0f0da 878fb17a .config console log report info ci2-linux-4-14
2020/11/23 16:21 linux-4.14.y 0df445b0f0da 878fb17a .config console log report info ci2-linux-4-14
2020/11/23 15:56 linux-4.14.y 0df445b0f0da 878fb17a .config console log report info ci2-linux-4-14
2020/11/23 15:34 linux-4.14.y 0df445b0f0da 878fb17a .config console log report info ci2-linux-4-14
2020/11/23 15:17 linux-4.14.y 0df445b0f0da 878fb17a .config console log report info ci2-linux-4-14
2020/11/23 15:01 linux-4.14.y 0df445b0f0da 878fb17a .config console log report info ci2-linux-4-14
2020/11/23 14:43 linux-4.14.y 0df445b0f0da 878fb17a .config console log report info ci2-linux-4-14
2020/11/23 14:35 linux-4.14.y 0df445b0f0da 878fb17a .config console log report info ci2-linux-4-14
2020/11/23 12:25 linux-4.14.y 0df445b0f0da 0d27f508 .config console log report info ci2-linux-4-14
2020/11/23 11:25 linux-4.14.y 0df445b0f0da 0d27f508 .config console log report info ci2-linux-4-14
2020/11/23 10:40 linux-4.14.y 0df445b0f0da 0d27f508 .config console log report info ci2-linux-4-14
2020/11/23 09:54 linux-4.14.y 0df445b0f0da 0d27f508 .config console log report info ci2-linux-4-14
2020/11/23 08:54 linux-4.14.y 0df445b0f0da 0d27f508 .config console log report info ci2-linux-4-14
2020/11/23 08:50 linux-4.14.y 0df445b0f0da 0d27f508 .config console log report info ci2-linux-4-14
2020/11/23 07:32 linux-4.14.y 0df445b0f0da 0d27f508 .config console log report info ci2-linux-4-14
2020/11/23 06:39 linux-4.14.y 0df445b0f0da 0d27f508 .config console log report info ci2-linux-4-14
2020/11/23 05:32 linux-4.14.y 0df445b0f0da 0d27f508 .config console log report info ci2-linux-4-14
2020/11/23 05:28 linux-4.14.y 0df445b0f0da 0d27f508 .config console log report info ci2-linux-4-14
2020/11/22 09:21 linux-4.14.y 0df445b0f0da 0d27f508 .config console log report info ci2-linux-4-14
* Struck through repros no longer work on HEAD.