bisecting cause commit starting from 90d856e71443a2fcacca8e7539bac44d9cb3f7ab building syzkaller on bc5f1d88c519868f37bd2b5ebca79b33a659c2c9 testing commit 90d856e71443a2fcacca8e7539bac44d9cb3f7ab compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 84801c41fdca10572a9eed7fe679b75efc984acaf624e4066523395e35dede0b all runs: crashed: UBSAN: shift-out-of-bounds in xfrm_set_default testing release v5.13 testing commit 62fb9874f5da54fdb243003b386128037319b219 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 1cb5111c0f95c1fc7e3896d55db5b53fbce5858f143c657e735c92f7019c7d10 all runs: OK # git bisect start 90d856e71443a2fcacca8e7539bac44d9cb3f7ab 62fb9874f5da54fdb243003b386128037319b219 Bisecting: 8816 revisions left to test after this (roughly 13 steps) [bd31b9efbf549d9630bf2f269a3a56dcb29fcac1] Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi testing commit bd31b9efbf549d9630bf2f269a3a56dcb29fcac1 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 8226a80c5a6253a6a36d4375cf4aff18e574d641814703d919628bd254bcca76 run #0: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) run #1: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) run #2: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) run #3: boot failed: BUG: sleeping function called from invalid context in stack_depot_save run #4: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) run #5: boot failed: BUG: sleeping function called from invalid context in stack_depot_save run #6: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) run #7: boot failed: BUG: sleeping function called from invalid context in stack_depot_save run #8: boot failed: BUG: sleeping function called from invalid context in stack_depot_save run #9: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) # git bisect skip bd31b9efbf549d9630bf2f269a3a56dcb29fcac1 Bisecting: 8816 revisions left to test after this (roughly 13 steps) [9f2e6fb6341349f1ec4565a055669bf4ac14e321] net: calxeda: Fix wrong function name in comments testing commit 9f2e6fb6341349f1ec4565a055669bf4ac14e321 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 864ca7496c66ec1d19b2c9155935dc74fb056262c8e4a178492ff16d6147dc9a all runs: OK # git bisect good 9f2e6fb6341349f1ec4565a055669bf4ac14e321 Bisecting: 8816 revisions left to test after this (roughly 13 steps) [614b27402285f9154816ea149c90b9d74de6b4df] drm: Remove unused branch in legacy PCI initialization testing commit 614b27402285f9154816ea149c90b9d74de6b4df compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 86a88cf228055074e4f9a3311eb63ae50f89c83559aaada364b2a904cf072a5e all runs: OK # git bisect good 614b27402285f9154816ea149c90b9d74de6b4df Bisecting: 8816 revisions left to test after this (roughly 13 steps) [c4edc3ccbc63947e697bd2e30afca8bfaa144998] netfilter: conntrack: improve RST handling when tuple is re-used testing commit c4edc3ccbc63947e697bd2e30afca8bfaa144998 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 605ab876224da3a0b7d3f3667bc0caa0ebd62848bad60d4983d9443f4bd90a00 run #0: boot failed: BUG: sleeping function called from invalid context in stack_depot_save run #1: boot failed: general protection fault in ptp_clock_register run #2: boot failed: general protection fault in ptp_clock_register run #3: boot failed: BUG: sleeping function called from invalid context in stack_depot_save run #4: boot failed: general protection fault in ptp_clock_register run #5: boot failed: general protection fault in ptp_clock_register run #6: boot failed: possible deadlock in fs_reclaim_acquire run #7: boot failed: possible deadlock in fs_reclaim_acquire run #8: boot failed: possible deadlock in get_page_from_freelist run #9: boot failed: BUG: sleeping function called from invalid context in stack_depot_save # git bisect skip c4edc3ccbc63947e697bd2e30afca8bfaa144998 Bisecting: 8816 revisions left to test after this (roughly 13 steps) [5e9ff15976c203fc7940cb47ace63c9391100bd6] drm/amd/display: Minor refactor of DP PHY test automation testing commit 5e9ff15976c203fc7940cb47ace63c9391100bd6 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 56e5b55233a96d61b72d679b3ec9a1012a18d695269dcedf6a64d303cd94c351 all runs: OK # git bisect good 5e9ff15976c203fc7940cb47ace63c9391100bd6 Bisecting: 8182 revisions left to test after this (roughly 13 steps) [d6b63b5b7d7f363c6a54421533791e9849adf2e0] Merge tag 'sound-5.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound testing commit d6b63b5b7d7f363c6a54421533791e9849adf2e0 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 0c7c1d12db9535cad116c9647265203b87274f9d8dc9b3dc1ffb7e66bb138763 run #0: boot failed: possible deadlock in fs_reclaim_acquire run #1: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) run #2: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) run #3: boot failed: BUG: sleeping function called from invalid context in stack_depot_save run #4: boot failed: BUG: sleeping function called from invalid context in stack_depot_save run #5: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) run #6: boot failed: BUG: sleeping function called from invalid context in stack_depot_save run #7: boot failed: BUG: sleeping function called from invalid context in stack_depot_save run #8: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) run #9: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) # git bisect skip d6b63b5b7d7f363c6a54421533791e9849adf2e0 Bisecting: 8182 revisions left to test after this (roughly 13 steps) [1f89d2fe16072a74b34bdb895160910091427891] regmap: Add MDIO bus support testing commit 1f89d2fe16072a74b34bdb895160910091427891 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 7e19f4f182739dc6106847e7afc83d6067ff8edbbed6c16a00674ea0912dd1d4 all runs: OK # git bisect good 1f89d2fe16072a74b34bdb895160910091427891 Bisecting: 8182 revisions left to test after this (roughly 13 steps) [5640fed3035e88c3ce1361e6fc93f4e72468f307] dt-bindings: iio: accel: bma180/bma255: Move bma254 to bma255 schema testing commit 5640fed3035e88c3ce1361e6fc93f4e72468f307 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 6130d3e33db5b7b81f5237fe42a2c55d5d7c0279479e20ef7b785df8b7792897 all runs: OK # git bisect good 5640fed3035e88c3ce1361e6fc93f4e72468f307 Bisecting: 8270 revisions left to test after this (roughly 13 steps) [21c6bf8304f0141af6460cfe404dbbdeb96bdd62] arm64: dts: broadcom: Add reference to RPi 400 testing commit 21c6bf8304f0141af6460cfe404dbbdeb96bdd62 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 7e19f4f182739dc6106847e7afc83d6067ff8edbbed6c16a00674ea0912dd1d4 all runs: OK # git bisect good 21c6bf8304f0141af6460cfe404dbbdeb96bdd62 Bisecting: 8262 revisions left to test after this (roughly 13 steps) [792702911f581f7793962fbeb99d5c3a1b28f4c3] slub: force on no_hash_pointers when slub_debug is enabled testing commit 792702911f581f7793962fbeb99d5c3a1b28f4c3 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 95da01c95d470732a0e4ec2ae276240a89a1106997ba1d64d98dcd2a4a9e7325 all runs: OK # git bisect good 792702911f581f7793962fbeb99d5c3a1b28f4c3 Bisecting: 8262 revisions left to test after this (roughly 13 steps) [76be6c076c0774844670df818233c488538bae02] mt76: mt7915: add .set_bitrate_mask() callback testing commit 76be6c076c0774844670df818233c488538bae02 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: b1dce04f9002435c4d9e5ee825824563f9fe7134e9228c06c03dd7b776baabba all runs: OK # git bisect good 76be6c076c0774844670df818233c488538bae02 Bisecting: 7493 revisions left to test after this (roughly 13 steps) [757fa80f4edca010769f3f8d116c19c85f27e817] Merge tag 'trace-v5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace testing commit 757fa80f4edca010769f3f8d116c19c85f27e817 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 1dfcfb62b49fb71dc18a8f18fe2ad898031817121f8a273731c77b214d61d8f3 run #0: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) run #1: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) run #2: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) run #3: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) run #4: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) run #5: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) run #6: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) run #7: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) run #8: boot failed: BUG: sleeping function called from invalid context in stack_depot_save run #9: boot failed: BUG: sleeping function called from invalid context in stack_depot_save # git bisect skip 757fa80f4edca010769f3f8d116c19c85f27e817 Bisecting: 7493 revisions left to test after this (roughly 13 steps) [064b6e47b2b2d4a20566ba6f8dc90e46b599b35f] serial: sh-sci: Add support for RZ/G2L SoC testing commit 064b6e47b2b2d4a20566ba6f8dc90e46b599b35f compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: bd94980fdcc736fcd094f7c264f135ce889bb43cae7c0b2ab32ef03036810cde all runs: OK # git bisect good 064b6e47b2b2d4a20566ba6f8dc90e46b599b35f Bisecting: 7451 revisions left to test after this (roughly 13 steps) [a70bb580bfeaead9f685d4c28f7cd685c905d8c3] Merge tag 'devicetree-for-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux testing commit a70bb580bfeaead9f685d4c28f7cd685c905d8c3 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 07be858788ed8de3787e5d586c482a39fea246885b6030d5e1f3a7947795bef6 run #0: boot failed: BUG: sleeping function called from invalid context in stack_depot_save run #1: boot failed: BUG: sleeping function called from invalid context in stack_depot_save run #2: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) run #3: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) run #4: boot failed: BUG: sleeping function called from invalid context in stack_depot_save run #5: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) run #6: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) run #7: boot failed: possible deadlock in fs_reclaim_acquire run #8: boot failed: BUG: sleeping function called from invalid context in stack_depot_save run #9: boot failed: kernel panic: VFS: Unable to mount root fs on unknown-block(0,0) # git bisect skip a70bb580bfeaead9f685d4c28f7cd685c905d8c3 Bisecting: 7451 revisions left to test after this (roughly 13 steps) [354065bed2d15f6ff7796c8105133ccdf3a84917] arm64: dts: ti: k3-am642-evm: Enable PCIe and SERDES testing commit 354065bed2d15f6ff7796c8105133ccdf3a84917 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 7e19f4f182739dc6106847e7afc83d6067ff8edbbed6c16a00674ea0912dd1d4 all runs: OK # git bisect good 354065bed2d15f6ff7796c8105133ccdf3a84917 Bisecting: 7436 revisions left to test after this (roughly 13 steps) [d63aa09f7c53bdeb83edb4d84c07d759a92223bb] regmap: Prefer unsigned int to bare use of unsigned testing commit d63aa09f7c53bdeb83edb4d84c07d759a92223bb compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 07d77e9208983506ab2872723493b69cfbd4131a13df653bea75483fbeb9a659 all runs: OK # git bisect good d63aa09f7c53bdeb83edb4d84c07d759a92223bb Bisecting: 1973 revisions left to test after this (roughly 11 steps) [f07c34fc63da0a386fc067a94537f7aa3b245c32] Merge remote-tracking branch 'rdma/for-next' testing commit f07c34fc63da0a386fc067a94537f7aa3b245c32 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: aa632e97261792ed27c3c66f730f760a05c084717d16d1e191f1bb4cd48e7af5 run #0: crashed: BUG: sleeping function called from invalid context in lock_sock_nested run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK reproducer seems to be flaky # git bisect bad f07c34fc63da0a386fc067a94537f7aa3b245c32 Bisecting: 914 revisions left to test after this (roughly 10 steps) [04aed0123c68d3c5e45c8b8eeb3d28cee9061d2a] Merge remote-tracking branch 'aspeed/for-next' testing commit 04aed0123c68d3c5e45c8b8eeb3d28cee9061d2a compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 95b876df43bc619c7f8fafa74a61c0038e91abe4bef8135d7d5edc0ab6394aca run #0: crashed: BUG: sleeping function called from invalid context in lock_sock_nested run #1: crashed: BUG: sleeping function called from invalid context in lock_sock_nested run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK # git bisect bad 04aed0123c68d3c5e45c8b8eeb3d28cee9061d2a Bisecting: 441 revisions left to test after this (roughly 9 steps) [f0eb870a84224c9bfde0dc547927e8df1be4267c] Merge tag 'xfs-5.14-fixes-1' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux testing commit f0eb870a84224c9bfde0dc547927e8df1be4267c compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 59f9073fc0e73bec3a7516fb4cef01469d6c1f4352dd0f423974f5302b04b078 all runs: OK # git bisect good f0eb870a84224c9bfde0dc547927e8df1be4267c Bisecting: 208 revisions left to test after this (roughly 8 steps) [c4843c53279e210caab0baf1ec47fa766935b5f6] Merge remote-tracking branch 'sound-current/for-linus' testing commit c4843c53279e210caab0baf1ec47fa766935b5f6 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 5ea6e45ccaa8c072a6e0d0c11e7d4cb3c0f192fae4de059fe10f7955e56f66cf all runs: OK # git bisect good c4843c53279e210caab0baf1ec47fa766935b5f6 Bisecting: 101 revisions left to test after this (roughly 7 steps) [ad4ebf05e20df9e3c89a2d6cc42c0f7e1c605010] Merge remote-tracking branch 'btrfs-fixes/next-fixes' testing commit ad4ebf05e20df9e3c89a2d6cc42c0f7e1c605010 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: e5eb56c7d8c6ace302bb95d526b5120ae99c82b74ca6d24504736f35d7a0fd8f all runs: OK # git bisect good ad4ebf05e20df9e3c89a2d6cc42c0f7e1c605010 Bisecting: 47 revisions left to test after this (roughly 6 steps) [402338c65c542c789573274bc3933ff31f6449af] Merge remote-tracking branch 'drm-intel-fixes/for-linux-next-fixes' testing commit 402338c65c542c789573274bc3933ff31f6449af compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: dba63eddba5b3b0351d4ac791182fa5271910038c7b000e87865067fb8b76926 all runs: OK # git bisect good 402338c65c542c789573274bc3933ff31f6449af Bisecting: 24 revisions left to test after this (roughly 5 steps) [80c64c97bae5aba15bc65ceca7cacab85ac111d5] Merge remote-tracking branch 'kspp-gustavo/for-next/kspp' testing commit 80c64c97bae5aba15bc65ceca7cacab85ac111d5 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: dafa8d8cffe7165d00dbbca9059554aa91c04b138394cda12604667e1fa5f90b all runs: OK # git bisect good 80c64c97bae5aba15bc65ceca7cacab85ac111d5 Bisecting: 12 revisions left to test after this (roughly 4 steps) [4e3fc8648d48753d1158f33ad8392f363e62f452] Merge remote-tracking branch 'arm/for-next' testing commit 4e3fc8648d48753d1158f33ad8392f363e62f452 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 95b876df43bc619c7f8fafa74a61c0038e91abe4bef8135d7d5edc0ab6394aca run #0: crashed: BUG: sleeping function called from invalid context in lock_sock_nested run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK # git bisect bad 4e3fc8648d48753d1158f33ad8392f363e62f452 Bisecting: 6 revisions left to test after this (roughly 3 steps) [14462376858e35b83932f94616effc2f49fd8494] Merge branch 'asm-generic-unaligned' into asm-generic testing commit 14462376858e35b83932f94616effc2f49fd8494 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 551c89b3677469404fe40cdfcadf943f575319a4f78f62f908a749c9314bfcfb all runs: OK # git bisect good 14462376858e35b83932f94616effc2f49fd8494 Bisecting: 2 revisions left to test after this (roughly 2 steps) [47d616f8be9b8e2884423eecfc11e74a3666dda5] Merge remote-tracking branch 'dma-mapping/for-next' testing commit 47d616f8be9b8e2884423eecfc11e74a3666dda5 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 95b876df43bc619c7f8fafa74a61c0038e91abe4bef8135d7d5edc0ab6394aca all runs: OK # git bisect good 47d616f8be9b8e2884423eecfc11e74a3666dda5 Bisecting: 1 revision left to test after this (roughly 1 step) [3bd1461d1691d5405c59c4415c54fcf674eaa5ac] Merge branches 'fixes' and 'misc' into for-next testing commit 3bd1461d1691d5405c59c4415c54fcf674eaa5ac compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 7e19f4f182739dc6106847e7afc83d6067ff8edbbed6c16a00674ea0912dd1d4 all runs: OK # git bisect good 3bd1461d1691d5405c59c4415c54fcf674eaa5ac Bisecting: 0 revisions left to test after this (roughly 0 steps) [f6eb80edb03ef56218e58cf7baa76b37d73c8747] Merge remote-tracking branch 'asm-generic/master' testing commit f6eb80edb03ef56218e58cf7baa76b37d73c8747 compiler: gcc (GCC) 10.2.1 20210217, GNU ld (GNU Binutils for Debian) 2.35.1 kernel signature: 95b876df43bc619c7f8fafa74a61c0038e91abe4bef8135d7d5edc0ab6394aca run #0: crashed: BUG: sleeping function called from invalid context in lock_sock_nested run #1: OK run #2: OK run #3: OK run #4: OK run #5: OK run #6: OK run #7: OK run #8: OK run #9: OK run #10: OK run #11: OK run #12: OK run #13: OK run #14: OK run #15: OK run #16: OK run #17: OK run #18: OK run #19: OK # git bisect bad f6eb80edb03ef56218e58cf7baa76b37d73c8747 f6eb80edb03ef56218e58cf7baa76b37d73c8747 is the first bad commit commit f6eb80edb03ef56218e58cf7baa76b37d73c8747 Merge: 47d616f8be9b 14462376858e Author: Stephen Rothwell Date: Fri Jul 23 09:51:32 2021 +1000 Merge remote-tracking branch 'asm-generic/master' arch/riscv/include/asm/io.h | 5 ++-- arch/sparc/include/asm/io.h | 8 ++++++ include/asm-generic/io.h | 68 ++++++++++++++++++++++++++++++++++++++++++--- 3 files changed, 75 insertions(+), 6 deletions(-) Reproducer flagged being flaky revisions tested: 30, total time: 8h15m28.997775003s (build: 3h33m7.231417657s, test: 4h38m3.416415448s) first bad commit: f6eb80edb03ef56218e58cf7baa76b37d73c8747 Merge remote-tracking branch 'asm-generic/master' recipients (to): ["sfr@canb.auug.org.au"] recipients (cc): [] crash: BUG: sleeping function called from invalid context in lock_sock_nested BUG: sleeping function called from invalid context at net/core/sock.c:3161 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 8823, name: syz-executor.4 1 lock held by syz-executor.4/8823: #0: ffffffff8c40e3c0 (hci_sk_list.lock){++++}-{2:2}, at: hci_sock_dev_event+0x374/0x5c0 net/bluetooth/hci_sock.c:763 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 1 PID: 8823 Comm: syz-executor.4 Not tainted 5.14.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x57/0x7d lib/dump_stack.c:105 ___might_sleep.cold+0x1f1/0x237 kernel/sched/core.c:9154 lock_sock_nested+0x1e/0xf0 net/core/sock.c:3161 lock_sock include/net/sock.h:1613 [inline] hci_sock_dev_event+0x3ea/0x5c0 net/bluetooth/hci_sock.c:765 hci_unregister_dev+0x29b/0xfb0 net/bluetooth/hci_core.c:4033 vhci_release+0x62/0xd0 drivers/bluetooth/hci_vhci.c:340 __fput+0x209/0x870 fs/file_table.c:280 task_work_run+0xc0/0x160 kernel/task_work.c:164 exit_task_work include/linux/task_work.h:32 [inline] do_exit+0x9fe/0x24e0 kernel/exit.c:825 do_group_exit+0xe7/0x290 kernel/exit.c:922 __do_sys_exit_group kernel/exit.c:933 [inline] __se_sys_exit_group kernel/exit.c:931 [inline] __x64_sys_exit_group+0x35/0x40 kernel/exit.c:931 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665e9 Code: Unable to access opcode bytes at RIP 0x4665bf. RSP: 002b:00007ffcaebcf388 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007ffcaebcfb48 RCX: 00000000004665e9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043 RBP: 0000000000000000 R08: 0000000000000025 R09: 00007ffcaebcfb48 R10: 00000000ffffffff R11: 0000000000000246 R12: 00000000004bef74 R13: 0000000000000010 R14: 0000000000000000 R15: 0000000000400538 ======================================================